Observation by Mike Greenhill-Hooper: M101 cropped LRGB-H-alpha image

Uploaded by

Mike Greenhill-Hooper

Observer

Mike Greenhill-Hooper

Observed

2024 May 09 - 22:00

Uploaded

2024 May 13 - 15:30

Objects

M101

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Constellation

Ursa Major

Field centre

RA: 14^h03^m
Dec: +54°20'
Position angle: -136°24'

Field size

0°10' × 0°10'

Equipment

Telescope: 20" f/4 Obsession Dobsonian; Paracorr coma corrector
ASI294MMPro with LRGB and H-alpha filters

Exposure

4x150 image stack of 2s for LRGB filters and 3x150 image stack of 4s for H-alpha filter, camera gain 450, T=0C

Location

Miradoux, S.W. France

Target name

M101

Title

M101 cropped LRGB-H-alpha image

About this image

Image severely cropped due to inadequate manual correction for field rotation of Alt-Az mount, but still quite pleased with the result - colours and detail. Images stacked and processed with Affinity Photo.

Files associated with this observation

M101 090524 M Greenhill Hooper LRGBHa.jpg (1.8 MB)

Like this image

Simon Paul Davis, Graham Winstanley, Callum Wingrove, Callum Potter, Gerard Cauchi, Martina McGovern

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